What Percent of the Population Currently Has an IQ Above

question 22

Multiple Choice

What percent of the population currently has an IQ above 130?

• A)2%
• B)12%
• C)20%
• D)0)2%

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Definitions:

Hypothesis Testing

A method of statistical inference used to decide whether a hypothesis about a parameter in a population is likely to be true.

Interval Estimation

A scope of values, from collected sample data, that is likely to embody the value of an unexplored population parameter.

Confidence Interval

A range of values, derived from the sample statistics, within which there is a specified level of confidence where the true parameter lies.

Standard Error

The standard deviation of the sampling distribution of a statistic, typically mean, estimating the variability.